APA (7th ed.) Citation

Kirzhaiev, S. M. (2020). On relationship between academicians: Two unknown letters of S.O. Yefremov to V.I. Vernadskyi.

Chicago Style (17th ed.) Citation

Kirzhaiev, S. M. On Relationship Between Academicians: Two Unknown Letters of S.O. Yefremov to V.I. Vernadskyi. 2020.

MLA (8th ed.) Citation

Kirzhaiev, S. M. On Relationship Between Academicians: Two Unknown Letters of S.O. Yefremov to V.I. Vernadskyi. 2020.

Warning: These citations may not always be 100% accurate.